* CHICAGO WHITE SOX -- Recalled Roberto Hernandez, pitcher, from Vancouver of the Pacific Coast League. Optioned Esteban Beltre, shortstop, to Vancouver.
* CLEVELAND INDIANS -- Placed Dave Otto, pitcher, on the 15-day disabled list. Recalled Dave Rhode, infielder, from Colorado Springs of the Pacific Coast League.
* MILWAUKEE BREWERS -- Optioned Darren Holmes, pitcher, to Denver of the American Association. Activated Mike Fetters, pitcher, from the 15-day disabled list.
* MONTREAL EXPOS -- Activated Ivan Calderon, outfielder, from the 15-day disabled list. Placed Jerry Goff, infielder-catcher, on waivers for the purpose of giving him his unconditional release.
* NEW YORK METS -- Placed Bret Saberhagen, pitcher, on the 15-day disabled list, retroactive to May 16. Recalled Rodney McCray, outfielder, from Tidewater of the International League.
* PHILADELPHIA PHILLIES -- Placed Dale Murphy, outfielder, on the 15-day disabled list. Optioned Kyle Abbott, pitcher, to Scranton-Wilkes Barre of the International League.
National Basketball Association
* GOLDEN STATE WARRIORS -- Named Gregg Popovich assistant coach.
Continental Basketball Association
* RAPID CITY THRILLERS -- Traded Leon Wood, guard, to the Fort Wayne Fury for Brook Steppe, guard.
United States Basketball League
* JACKSONVILLE HOOTERS -- Signed Randy Henry, forward. Released Tony Karasek, center, and Jim Pickney, forward. Activated Willie McDuffy, center.
* LONG ISLAND SURF -- Signed Patrick Eddie, center.
National Football League
* CLEVELAND BROWNS -- Named Pat Hill, Ron Marciniak and Terry McDonough scouts and Chris Landry and Scott Pioli scouting assistants.
* HOUSTON OILERS -- Signed Billy Bell, cornerback; Emanuel Martin, safety; Ross Ritter, offensive tackle; and Todd Wash, linebacker.
* OHIO GLORY -- Signed Vince Courville, cornerback.
Canadian Football League
* OTTAWA ROUGH RIDERS -- Re-signed Charles Wright, defensive back.
National Hockey League
* CHICAGO BLACKHAWKS -- Signed Mark Bernard, goaltender, and Steve Poapst, defenseman.
East Coast Hockey League
* HAMPTON ROADS ADMIRALS -- Extended the contract of John Brophy, coach, through the 1993-94 season.
* U.S. GYMNASTICS FEDERATION -- Named Francis Allen coach of the 1992 men's team.